Level
| HP
| Cost
|
1 | 100 | Free
|
2 | 500 | Wood 1000
|
3 | 1000 | Wood 2000; Stone 1000
|
4 | 2000 | Wood 4000; Stone 2000; Iron 1000
|
5 | 4000 | Wood 6000; Stone 4000; Iron 1500
|
6 | 6000 | Wood 8000; Stone 6000; Iron 2000; Copper 200
|
7 | 7000 | Wood 10000; Stone 8000; Iron 2500; Copper 500; Silver 200
|
8 | 8000 | Wood 12000; Stone 10000; Iron 3000; Copper 1000; Silver 500
|
9 | 9000 | Wood 16000; Stone 12000; Iron 3500; Copper 2000; Silver 1000
|
10 | 10000 | Wood 20000; Stone 15000; Iron 4000; Copper 3000; Silver 2000; Uranium 1000
|
... | 1000*L | Level 11 and above require uncommon resources
|